Furnace.



W. H. BAILEY, DEGD.

U. G. JONES, ADMINISTRATOR.

FURNACE.

I APPLICATION FILED APB-.11, 1910. 1,002,193. Patented Aug.29, 1911.

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wlmcssas: @8865 GJiLL S, adllw' ulrfig ATTURNEY.

W. H. BAILEY, DECD.' 11. e. JONES, ADMINISTRATOR.

FURNACE.

APPLICATION P111111) 1123.11, 1910.

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Patented Aug. 29, 1911.

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'ATTURNEY.

V W. H. BAILEY, 'DEGD.

U. G. JONES, ADMINISTRATOR.

FURNACE.

APPLIGATION FILED APR-.11, 1910.

1,002,193. Patented Aug. 29, 1911 3 SHEBTSSHBET 3.

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WILLIAM H. BAILEY, DECEASED, LATE OF WHEELING, WEST VIRGINIA; ULYSSES' G.

ATE A JONES ADMINISTRATOR.

FURNACE.

specification of Letters Patent.

Patented Aug. 29, 1911.

To all whom it may concern:

Be it known that WILLIAM H. BAILEY, deceased, late a citizen of the United States of America, and resident of Wheeling, county of Ohio andState of West Virginia, did invent certain new and useful Improvements in Furnaces, of which the following is a specification.

This invention relates to improvements in furnaces, and more particularly to a combined sheet and pair furnace for rolling mills; and it consists in the particular construction, arrangement and'combination of parts which will hereinafter be fully described.

The primary object of the invention is'jto provide a furnace of the two-chambered reheating type wherein the heat employed for heating the pairs in the primary or pair heating chamber is utilized for heating the sheets in the reheating chamber.

A further object is to provide means whereby theheating of the sheets and pairs in the chambers is accomplished with but little flame coming into direct contact with the metal, thus to a great extent avoiding the injurious effect which results from such direct contact And a still further object is to provide a furnace of the character men tioned wherein the sidewalls and top of the reheating chamber are uniformly heated.

In describing the invention in detail, reference is herein had to the accompanying drawings, forming a part of thisspecification, in which Figure 1 is a top plan view of the furnace; Fig. 2 is a side elevation of the same; Fig. 3 is a front-end elevation of the same; Fig. 4C is a longitudinal section on the line 4l4, Fig. 1; and Figs. 5 and 6 are crosssections respectively taken on the lines 55 and 6 6, Fig. 4.

- Referring to said drawings, in which like designating characters distinguish like parts throughout the several views, 1 indicates the side-walls of the furnace,2 the primary or pair-heating chamber, and 3 the sheet or reheating chamber, said chambers being sep arated by a bridge-wall 4 which is built up from the ground or foundation of the furnace near to anddirectly underlying the rearend of the crown 5 of the reheating chamber.

Located in the rear of the primary heating chamber 2 and separated therefrom by a bridge-Wall 6 is the fire-box or combustion-chambe'r 7, said bridge-wall being built up from the ground or foundation near to an overlying crown 8 which is divided from said crown 5 by a vertical flue 9 communieating with a horizontal flue 10 leading over the crown 5 to the stack 11. The floor 12 of the primary heating chamber located at a suitable level above the ground or foundation-level and preferably overlies a bed or filling 13 of a suitable heat-retaining mate rial, such as slag or brick-bats; and the floor 14 of the reheating chamber is preferably inclined downward in a rearward direction from the base of the door-opening 15 through which the sheets are inserted and removed from said chamber, said opening 15 being provided with a door 16.

An arch-like protecting shield or hood 1? is directed forward from the top of the bridge-wall G a distance substantially half the length or the primary heating chamber 2, said hood 1? being designed for shielding, to a considerable extent, the pairs placed in said chamber through the sidedoor 18, preventing them from being directly contacted by the flame resulting from combustion of the fuel. A similar protecting hood 19 is directed forward from the top of the bridge-wall 4 for shielding the sheets placed in the reheating chamber from the flames resulting from comhusl ion of the gases.

Substantially vertical fines 20 are provided within the side walls at the front end of the furnace, said lines eomniunicab ing at their lower ends with passages 21 leading into the reheating chamber close to the front wall thereof, and communicating at their upper ends with horizontal passages 22 leading to the stack. Dampers 23 are provided in the passages 22 whereby the draft thcrethrough may be regulated. similar damper 2- is located in line 10.

Extending longitudinally-through the opposite side walls and. comunlnieating at one end with the lower ends of the lines 20 are flues 25 for the primary heating chamber, the opposite ends ofsaid Hues communicating with said primary heating chamben through passages 26 located adjacent to the bridge-wall 4 and directly above the floor 12. As is obvious the arrangement of the various fines not only n-ovides for the removal of the products of combustion from both heating chambers, but it is also such that the side walls and crown of the reheating chamber receive therefrom an auxiliary heating. I 4

Suitable reinforcement for the furnace walls is effected by the provision of upright I-beams 27, arranged in pairs at oppositelydisposed points against the side andend walls, oppositely disposed pairs being con nectcd by truss-rods 28 extended across or over the top of the furnace and having their ends attached to yokes or cross-heads 29 by means of which the beams constituting the pairs are coupled or bound together.

The stack 11 is located over the frontend of the reheating chamber, as shown, being mounted upon acentrally apertured plate 30 which rests upon horizontal transverse beams 3l which rest' at their opposite ends upon suitable supports, as upright supportin columns 32 dis )osed without the furnace walls. v

\Vhat 1s clalmed as new 1s In a sheet and pair furnace, a combustion chamber, a primary heating chamber located in front of said combustion chamber, a bridgewall separating said chambers, a reheating chamber located in front of said primary heating chamber, a bridge-Wall separating the two chambers last mentioned, a stack- 10- 1- cated over the front end of the reheating chamber, a flue leading over the entire length of the crown of the reheating chamher from the primary heating chamber to said stack for heating'said crown,vand ,flues leading longitudinally through the sidevalls of said reheating chamber from said primary heating chamber, thence upward through said walls and over the crown to the stack, and passages leading through said walls from the front end of the reheating chamber and com IHCtLUIlg with the last mentioned flues.

In testimony whereof I affix my signature 1n presence of two subscrlbing \vltnesses. e

ULYSSES G. JONES, Administrator of the estate of l-Vz'llz'mn, H

Bailey, deceased.

Witnesses:

L. Bwlvooorom), JAMES S. SOMES. 

